In its simplest form, concrete is a mixture of paste and aggregates (sand & rock). The paste, composed of cement and water, coats the surface of the fine (sand) and coarse aggregates (rocks) and binds them together into a rock-like mass known as concrete.
Whiskey Rebellion. The Whiskey Rebellion (also known as the Whiskey Insurrection) was a tax protest in the United States beginning in 1791 during the presidency of George Washington. The so-called whiskey tax was the first tax imposed on a domestic product by the newly formed federal government. It became law in 1791, and was intended to generate revenue for the war debt incurred during the Revolutionary War.
A federal officer was killed and an army of some 5,000 rebels prepared to march on. 18 Leland D. Baldwin, Whiskey Rebellion: The Story of a Frontier Uprising, (University of Pittsburgh Press: Pittsburgh, 1939), p. 62.